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kirill115 [55]
3 years ago
15

Marlow wants to know how many students in his school enjoy watching the TV news. He asks all 27 students in his art class and fi

nds that 30% of his classmates enjoy watching the TV news. He claims that 30% of the school's student population would be expected to enjoy watching the TV news. Is Marlow making a valid inference about his population?
Mathematics
1 answer:
Pachacha [2.7K]3 years ago
6 0
He is not making a valid inference because he is assuming the student populations interest based on a small part/ group of the student population, his class.
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4.5 gallons

Step-by-step explanation:

yes correct

5 0
2 years ago
The number of bacteria present in a laboratory
Reil [10]

Answer:

The answer is B.500

Step-by-step explanation:

The original equation containing unknown variables would be 500(t) (with "t" representing the number of days)

So if you fill the variable in with a 2, that means it's been 2 days with the increase of 500 bacteria each day.

That means the initial number of bacteria must be 500.

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3 years ago
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Vaselesa [24]

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300 students

Step-by-step explanation:

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8 0
3 years ago
At 55 mph it will take you approximately _____ feet to stop the car. A. 5 feet B. 100 feet C. 228 feet
ololo11 [35]

Answer:

The correct answer is option C, 228 feet

Step-by-step explanation:

As per Newton’s third law of motion:

V2 – U2 = 2 x a x S

Where V = final velocity

U = Initial Vlocity

a = acceleration (-ve)

S= distance travelled

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0 – (80.6667 ft /sec)2 = 2 x (-g/2) x S

S = (80.6667 ft /sec)2 /(32.2 feet per second per second x0.5)

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6 0
3 years ago
2(3x+2)=2x-1+x solve
alina1380 [7]
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a(b+c)=ab+ac
2(3x+2)=6x+4
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add like terms
6x+4=3x-1
subtract 3x from both sides
3x+4=-1
subtract 4 from both sides
3x=-5
divide bothe sides by 3
x=-5/3
7 0
3 years ago
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